Answer:
The Africa<em> </em><em>is</em><em> </em><em>the</em><em> </em><em>answer</em><em> </em><em>(</em><em>b</em><em>)</em>
Global warming is a slow increase in the overall temperature of the earth's atmosphere generally created by the greenhouse effect. This effect is caused by increased levels of carbon dioxide, chlorofluorocarbons, and other pollutants.
Movements of tectonic plates create volcanoes along the plate boundaries, which erupt and form mountains<span>. A volcanic arc system is a series of volcanoes that form near a subduction zone where the crust of a sinking oceanic plate melts.
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They used railway roads and canal access
The correct answer is B timber
